| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which happened to | 6 |
|
| 2 | which [adv] happened to | 7 |
|
| 3 | which [adv] happened to | 7 |
|
| 4 | which happened to [be] | 17 |
|
| 5 | which happened to be | 17 |
|
| 6 | which happened to be | 17 |
|
| 7 | which happened to [be] | 17 |
|
